Added missing tests project

Author: kaczy93

CentrED.Tests/CentrED.Tests.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.4"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
+        <PackageReference Include="xunit" Version="2.9.3"/>
+        <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="Xunit"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\CentrED\CentrED.csproj" />
+    </ItemGroup>
+
+</Project>

CentrED.Tests/PasswordCrypterTests.cs

@@ -0,0 +1,16 @@
+using CentrED.Utils;
+
+namespace CentrED.Tests;
+
+public class PasswordCrypterTests
+{
+    [Fact]
+    public void Test1()
+    {
+        var testMessage = "Hello world";
+        var encrypted = PasswordCrypter.Encrypt(testMessage);
+        Assert.NotEqual(testMessage, encrypted);
+        var decrypted  = PasswordCrypter.Decrypt(encrypted);
+        Assert.Equal(testMessage, decrypted);
+    }
+}